- Type:
- Earthquake
- Date:
- April 21, 1968 CE
- Location:
- 138 km ESE of Kamaishi, Japan
- Magnitude:
- 6.27 Mw
- Depth:
- 25.2 km
Cross-catalog records
This event is recorded in 6 separate scientific catalogs, each of which may give a different magnitude (the disagreement between catalogs is itself valuable for research):
- USGS_COMCAT: Mw 6.27
- NOAA_SIGEQ: Ms 7.2
- USGS_COMCAT: Mw 5.84
- USGS_COMCAT: Mw 5.62
- USGS_COMCAT: Mw 7
- USGS_COMCAT: Mw 5.52
Other earthquake records of 1968 CE
- Iran, Dasht-E-Bayaz · Mw 7.1 · 10,488 deaths
- Iran, Ferdow · Mw 6.2 · 700 deaths
- Philippines, Luzon: Manila · Ms 7.3 · 270 deaths
- Italy, Sicily · Ms 6 · 216 deaths
- Indonesia, Sulawesi: Tambu, Coast Of Mapaga · M 7.4 · 200 deaths
- Japan, Off East Coast Of Honshu Island · Mw 8.2 · 52 deaths
Source: U.S. Geological Survey, Advanced National Seismic System (ANSS) Comprehensive Catalog (ComCat) · License: U.S. Public Domain (USGS) · institutional record ↗
Frequently asked questions
- When did M 6.3 - 138 km ESE of Kamaishi, Japan (1968 CE) happen?
- April 21, 1968 CE.
- Where does this information come from?
- This record comes from U.S. Geological Survey, Advanced National Seismic System (ANSS) Comprehensive Catalog (ComCat); it was not hand-authored and is stored together with its source.